16227371553 has 32 divisors (see below), whose sum is σ = 23217292800. Its totient is φ = 10051537536.

The previous prime is 16227371551. The next prime is 16227371581. The reversal of 16227371553 is 35517372261.

It is not a de Polignac number, because 16227371553 - 2¹ = 16227371551 is a prime.

It is a super-2 number, since 2×16227371553² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16227371551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 733926 + ... + 755712.

It is an arithmetic number, because the mean of its divisors is an integer number (725540400).

Almost surely, 2^16227371553 is an apocalyptic number.

It is an amenable number.

16227371553 is a deficient number, since it is larger than the sum of its proper divisors (6989921247).

16227371553 is a wasteful number, since it uses less digits than its factorization.

16227371553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22061.

The product of its digits is 264600, while the sum is 42.

The spelling of 16227371553 in words is "sixteen billion, two hundred twenty-seven million, three hundred seventy-one thousand, five hundred fifty-three".